9 #define LENGTH(x) (sizeof(x) / sizeof(*x))
10 #define MAX(A, B) ((A) > (B) ? (A) : (B))
11 #define MIN(A, B) ((A) < (B) ? (A) : (B))
12 #define ABS(A) ((A) < 0 ? -(A) : (A))
13 #define BOOLSTR(A) ((A) ? "true" : "false")
15 #define XCB_CONFIG_WINDOW_X_Y_WIDTH_HEIGHT XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT
16 #define XCB_CONFIG_WINDOW_X_Y XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y
19 #define REMLEN(x) (BUFSIZ - strlen(x) - 1)
22 # define PUTS(x) puts(x)
23 # define PRINTF(x,...) printf(x, __VA_ARGS__)
25 # define PUTS(x) ((void)0)
26 # define PRINTF(x,...) ((void)0)
29 void warn(char *, ...);
30 __attribute__((noreturn))
31 void err(char *, ...);
32 uint32_t get_color(char *);
33 double distance(xcb_point_t, xcb_point_t);